[validation] RewindBlockIndex no longer needed

Instead of rewinding blocks, we request that the user restarts with
-reindex

1 files changed, 3 insertions, 4 deletions

diff --git a/src/validation.h b/src/validation.h
index 512b306219..3c7f593c82 100644
--- a/src/validation.h
+++ b/src/validation.h
@@ -722,7 +722,9 @@ public:
 
     /** Replay blocks that aren't fully applied to the database. */
     bool ReplayBlocks(const CChainParams& params);
-    bool RewindBlockIndex(const CChainParams& params) LOCKS_EXCLUDED(cs_main);
+
+    /** Whether the chain state needs to be redownloaded due to lack of witness data */
+    [[nodiscard]] bool NeedsRedownload(const CChainParams& params) const EXCLUSIVE_LOCKS_REQUIRED(cs_main);
     /** Ensures we have a genesis block in the block tree, possibly writing one to disk. */
     bool LoadGenesisBlock(const CChainParams& chainparams);
 
@@ -769,9 +771,6 @@ private:
 
     bool RollforwardBlock(const CBlockIndex* pindex, CCoinsViewCache& inputs, const CChainParams& params) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
 
-    //! Mark a block as not having block data
-    void EraseBlockData(CBlockIndex* index) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
-
     void CheckForkWarningConditions() EXCLUSIVE_LOCKS_REQUIRED(cs_main);
     void InvalidChainFound(CBlockIndex* pindexNew) EXCLUSIVE_LOCKS_REQUIRED(cs_main);